Buffalo, MN

John J. Carlson

Named a Minnesota Super Lawyer in 2009, John J. Carlson is an experienced, successful trial attorney with over 30 years of experience. John has obtained millions of dollars in awards and settlements for his clients. 100% of his practice is devoted to litigation.

Thomas Kiernan

Thomas Kiernan has been practicing exclusively in the personal injury area of law for over 31 years. He is a 1986 honors graduate of the University of Wisconsin and a 1990 honors graduate of the William Mitchell College of Law. He is a recipient of the American Jurisprudence Award for tort law. He is certified as a Civil Trial Specialist by the Minnesota State Bar Association and has been named a 'Super Lawyer' and 'Rising Star' by the Minnesota Journal of Law & Politics. He limits his practice to representing victims of personal injury, auto accidents, wrongful death, and insurance disputes throughout Minnesota. He is involved with local schools, non-profits, Rotary Club, food shelf, area churches, Partners in Health, and schools/students in developing nations.

Derek J. Rosso

Derek Rosso joined Carlson & Jones, P.A., in 2010. Derek graduated from the University of Minnesota - Twin Cities in 2005, where he earned a Bachelor of Science in biology. Derek graduated with distinction from the University of North Dakota School of Law in 2008, where he wrote for the North Dakota Law Review and was active in Moot Court. Prior to joining Carlson & Jones, P.A., Derek completed a one-year clerkship for the Honorable Daniel J. Crothers, Justice of the North Dakota Supreme Court.

John T. Peterson

John T. Peterson is a lifelong resident of Wright County with deep family roots in the area. He joined the firm in 1992. He graduated from St. John's University in 1985 and William Mitchell College of Law in 1988, being admitted to the Minnesota State and Federal Bars in the same year. He served as a Judge Advocate in the U.S. Marine Corps and continues his service in the U.S. Marine Corps Reserve, holding the rank of Lieutenant Colonel. His practice areas concentrate in real estate, estate planning, elder law, business/corporate/partnership law, and civil litigation, with an emphasis on real estate related causes of action. He is a member of the Minnesota State Bar Association and is Certified as a Specialist in Real Property Law. He has received Martindale-Hubbell's highest peer review rating for over ten years.

Jan C. Larson

Jan C. Larson is a Buffalo native who graduated from Buffalo High School, the University of Minnesota, and William Mitchell College of Law. He was admitted to practice law in Minnesota State and Federal Courts in 1986 and has been with Johnson, Larson & Peterson, P.A. since 1987. He is a Real Property Law Specialist certified by the Minnesota State Bar Association since 1994 and has been recognized as a Five Star Wealth Manager. His practice areas include real estate transactions, estate planning, probate, and elder law. He is a member of the Minnesota State Bar Association and the 18th District Bar Association and is active in community service.

Robert V. Jones

Criminal defense attorney Robert V. Jones has more than 25 years of experience. He has been extremely successful in trying numerous cases in state and federal courts, both at the appellate and trial levels.

Michael G. Halvorson

Michael G. Halvorson was born in 1974 in Fargo, North Dakota. He graduated high school in 1993 and went to Concordia in Moorhead for his undergraduate studies. At Concordia, Mike played football and graduated with a B.A. in Psychology and Sociology in 1997. Mike subsequently attended Hamlin Law School during which time he had the opportunity to clerk for the Dakota County Public Defender’s Office, the Hennepin County Attorney’s Office and a private construction litigation firm. In 2001, Mike obtained his juris doctorate and was admitted to the Minnesota State and Federal Bars. In 2002, Mike joined Johnson, Larson, Peterson & Halvorson as an associate and was made partner in 2008. In 2015, Mike formed Halvorson Langemo & Paschke, which ultimately became Halvorson Legal. While Mike has gained valuable experience litigating cases in many areas of the law, he has developed a real affinity for helping individuals and families with alternative dispute resolution as mediator, arbitrator and early neutral evaluator under Rule 114. Mike is a member of the Tenth District Bar Association, the Minnesota State Bar Association, the Minnesota Association for Justice and the American Arbitration Association Panel of Arbitrators. In addition, Mike is an appointed the Chair of the 18th District Ethics Committee and he has served on the Wright County Early Neutral Evaluation steering committee since its inception. In his free time, Mike enjoys running, sports, movies, traveling and spending time with his wife and children.